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JOIN THE CELTIC TUNING NETWORK.

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An ECU Remap for your exotic car
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SUPER CAR TUNING

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ECU Remapping your Turbo Diesel has
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DIESEL CHIP TUNING

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Tuning your truck can improve your pulling
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TRUCK / HGV ECU REMAPPING

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Towing power is essential for any
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TRACTOR ECU REMAPPING

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Audi
  • Model:

    Audi RS4

  • Variant:

    4.2 V8 FSI 414 bhp

  • Years:

    2005-2008

  • Fuel:

    Petrol

  • Engine Size:

    4163 ccm

  • ECU Type:

    Bosch MED9.1.1

Audi RS4 4.2 V8 FSI 414 bhp

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The 4.2 V8 FSi is hardly lacking power but with a 35bhp increase this engine gets the power it deserves. The response is a lot sharper and with good gains in mid range torque, it provides for superb performance. The 155mph speed limiter is removed on the RS4 variants.

Available Services

Rev Limit removal
VMax removal

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